User manual YORKVILLE AP6020
DON'T FORGET : ALWAYS READ THE USER GUIDE BEFORE BUYING !!!
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YORKVILLE AP6020 SERVICE MANUAL (2875 ko)
Manual abstract: user guide YORKVILLE AP6020
Detailed instructions for use are in the User's Guide.
[. . . ] No naked flame sources, such as lighted candles, should be placed on the apparatus.
L'appareil ne doit être branché qu'à une source d'alimentation correspondant au voltage spécifié dans le manuel ou tel qu'indiqué sur l'appareil. Cet appareil est équipé d'une prise d'alimentation polarisée. Ne pas utiliser cet appareil avec un cordon de raccordement à moins qu'il soit possible d'insérer complètement les trois lames. Des précautions doivent êtres prises afin d'eviter que le système de mise à la terre de l'appareil ne soit désengagé.
Risque
Ne pas placer cet appareil sur un chariot, un support, un trépied ou une table instables. [. . . ] R100B, R99B 249R -> 241R FUSIBLE 6. 00 PC#6869 CONVERT-TO PCAD2002 4 JUN/15/05 5 JUL/07/06 6. 10 HA, PC#7076, REPLACE Q25B #6990 WITH #7005 AND 6. PC#7228, ADD AN EXTRA HOLE FOR ALUMINIUM SPACER 9 JAN/31/2008 8. 00 Changed to X8002. 11 D N V 12 D V N V N 13 D
R36 1/4W 75K
D
R37 1/4W 75K
B
C
E
G
P
MODEL(S):-
GDS
E CB
EBC TO-92
R127A 1/4W 39R0
FUSIBLE
C36A 470P
100V
19
NE5532N
V+
8
U3A:C U3A:A 4 V-
20
16V0 ZD6
MTP8P20 Q33A 6925 TO220 {Function}
.
.
1N5246B 0W5
M1370 / M1176 . PCB_DATABASE_HISTORY
EBC TO-92
CBE TO-92
20
21
21
Product
AP6020 / AM4CE PA
PCB# X8002 Sheet 1 of 3
22
22
Date: Wed Apr 23, 2008 Rev:v8. 00 Filename: X8002V800sch. sch2002
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF AG AH
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
1
1
2
ZD4 16V0
2
R29 0W5 1/4W 470R1N5246B
MINI
VCC
TO-92 6478 {Watts} {Function} U4 R31 1/4W 330R
3
AS35FNOUT GND
3
0W5 1N5257B
ZD3 33V0
W7:A 12
4
1 2 3 4 5 6 7 8 9 10 11 12 R4 1/4W 10K0 R8 1/8W 100R0 R10 1/8W 100R0
MINI FLMP FLMP
.
W7:B 12 W7:C 12 W7:D 12 W7:E 12 W7:F 12
5
C1 220P
4
100V D1
3696 4148 K1:B NE5532N
R2 1/4W 10K0
MINI
R1 1/4W 10K0
MINI
8
V+
NE5532N U1:C
K1:A R5 1/4W 6K8
MINI
D5B
W7:H 12 W7:I 12 W7:J 12 W7:K 12
6
R22 1/4W 1K5
4007
2N5401 Q3 5108
R25 1/4W 1K5
MINI
MINI
MINI
0W5 1N5251BRL
R7 1/4W 10K
D4
ZD1 22V0
4148
MINI
4
R3 1/4W 10K0
U1:A
R6 1/4W 4K7
MINI
V-
W7:G 12
U1:B
5
W7:L 12
C2 220P
6
100V
4148
R14 1/4W 18K D2
MINI
C6 220P
100V 63V 4U7 C7 4148 R17 1/4W 12K
.
R19 1/4W 10K
U2:A LM13600N
7
MINI
10K 1/4W R23
FLMP
R15 1/8W 100R0
FLMP
MPSA06 Q1 5103 TO92
MINI
R12 1/8W 100R0
D7
0W5 1N5256B
ZD2 30V0
TO92
7
BC550C R20 1/4W 4K7
MINI
Q2 5101 TO92
4148
D9
MINI
R24 1/4W 1M
R9 1/4W 18K
8
MINI
C5 220P
100V
8
{Function} Dual VCA 6745 U2:C LM13600N
(VCC)
U2:B LM13600N U2:E
R16 1/8W 100R0
FLMP
R30 1/4W 100K
.
R11 1/8W 100R0
FLMP
R13 1/4W 12K
.
D6B 4148
9
9
{Function} Dual VCA 6745 U2:D LM13600N
(VCC)
R27 1/4W 1K5
R177 1/4W 22M
.
2N5401 Q4 5108 TO92 R18 1/4W 47K
.
D3
10
100N C10 C9 100N
100V
4148
C4 100N
100V
R28 1/4W 1K5
MINI
MINI
4007
D8
.
R26 1/4W 7K5
R21 1/4W 220K
.
10
100V
Product
AP6020 / AM4CE PA
PCB# X8002 Sheet 2 of 3
AmpInput
11
Date: Wed Apr 23, 2008 Rev: v8. 00 Filename: X8002V800sch. sch2002
A B C D E F G H I J K L M N O P
11 YsType:{Company Nam
Q
13
50V
C3C 470N
Q6C 5102 R49C 1/4W 15K TO92 R48C 1/4W 4K7
MINI .
R53C 1/4W 220R
0W5 1N750ARL
ZD2C 4V7
R51C 1/4W 220K
MINI
BC560C
C36C 22U
50V
MINI
14
R52C 1/4W 470R R7C 1/4W 10K
MINI
MINI
BC560C D6C 100V 4148 Q5C 5102 TO92
R50C 1/4W 15K
.
R47C 1/4W 470R
MINI
C01C 100N
LD6C {Function}
5906 RED
P2C M Function
10K AUD 4390
C26C 33U
16V
R45C 1/4W 4K12
.
R5C 1/4W 8M2
.
LD1C {Function}
R04C 1/4W 15K
R60C1 1/4W 22K
MINI
15
330P C40C
100V 5908 GRN C17C 100P R35C 1/4W 10K0
MINI
100V
MPSA13 R2C 1/4W 100K
.
MC33078P
220P C1C
R44C 1/4W 10K
MINI
C21C 220N
63V TO92 R3C 1/4W 470K
MINI
Q1C 5105
0W5 1N5225B
ZD1C 3V0
MINI
16
50V
U2C:B
These parts are not stuffed on M1370.
16 W6:A 16 W6:B 16 W6:C 16 W6:D 16 W6:E 16 W6:F 16 W6:G 16 W6:H
100V
C5C 100N
100V
220P C38C
17
W6:P16 W6:O16 W6:N 16 W6:M 16 W6:L 16 W6:K16 W6:J16 W6:I 16
MINI
X1
R55AC 1/4W 220R
18
100V
50V
C2C 220P
R31C 1/4W 220K
R29C 1/4W 220R
MINI
C35C 22U
MINI
BC560C Q3C 5102 R32C 1/4W 15K R33C 1/4W 4K7
MINI
50V
50V R1C 1/4W 100K
.
V+
C4C 470N
R41C 1/4W 10K
MINI
MPSA63 C22C 220N 63V TO92 LD2C {Function} R36C 1/4W 8M2
MINI
0W5 1N5225B
C127C 100N 8
MINI
.
MINI
R4C 1/4W 470K
P1C M Function
16V
ZD3C 3V0
10K AUD 4390
C18C 100P C25C 33U R40C 1/4W 4K12
100V
R42C 1/4W 10K0
R55BC 1/4W 220R
MINI
19
MC33078P
U2C:C VU2C:A
Q2C 5106
TO92
R30C 1/4W 470R
MINI
C6C 100N BC560C Q4C 5102
50V
C37C 220P
.
100V 4 R61C 1/4W 18K
MINI
R34C 1/4W 470R
100V
R39C 1/4W 15K
. MINI
R8C 1/4W 10K
MINI
D9C 4148
TO92 100V C39C 330P
5908 GRN
50V
100N C126C
20
LD5C {Function}
5906 RED
15K 1/4W R46C
.
X63C X6C X4C X3C
C02C 100N
21
Product
AP6020 / AM4CE PA
PCB# X8002 Sheet 3 of 3
22
Date: Wed Apr 23, 2008 Rev:v8. 00 Filename: X8002V800sch. sch2002
U V W X Y Z AA AB AC AD AE AF AG AH
AP6020 M1176A V8. 00
ETCH GUIDE
R117B 330U 25V X38
BlankSize - 18000x13000
R116B 220K R118B 220K 220K R160B R113B R115B R136B R168B D26B BAV21 BAV21 D25B R138B D28B R139B R167B D27B 330U 25V 2K2 C20B X41 R122B 1/2W 1R Q25B 1N 471R R108B Q23B 14V0 R114B X28 16V0 C32B BAV21 X24 150R BC550C Q22B R134B 47K 15K R137B C37B 22N 220R0 18K 4K7 4K7 R120B 150R BC550C 3K 3K R111B C21B 2N2 C30B 220N 250V 5882 C36B
470P
ETCH GUIDE
BAV21
470K R40 4007
ZD10B
ZD4 ZD9 16V0 6V2 R29 220R R33 U6 27K 470R 6880 4N35
C31B
BAV21
C33B
1K
1K
22N
1N 5. 0W 1K5
R124B 100R0
15K
22K
1U
63V
39R X37 22R
R38
D37B BAV21
R135B 22K
C26B 330U 25V
R121B
R88B 68R
39R 2K2
R87B R112B
20V0 ZD7B R119B 4K7 X51
10R0 R86B
Q28B 2N6517
R110B X50 D22B 4148 4148 D23B R127B 39R ZD11B 16V0
Q27B 2N6517
BC550C C28B
470R
63V 10U
C25B R97B 6K98 R102B 33K 2R2 R91B TP1 2R2 B 10K0 R101B 150R
471R R109B TP3B R123B
220R R42A
R143B
R144B
C29B
16V0
22N
X27
D38
1N5
R165B X56
-55V BROWN W5
AS35FN
GREY
W1
BLU RED BRN BLK
SPKR OUT
BC550C BC560C
GND W3
U4
TO-92
Q35B
Q20B
ETCH GUIDE
Q34B
5. 0W R146 B0R15
96
Bottom Amp
Q37B
W2
Q36B
D13
X12
. 6752
R173B
Top Amp
Q21B
TP1A
Function MTP8P20 6925
X42 X43 X66 X48
MJ 21 1
HEAT SINK TOOLING PINS
MR 8 693 54 4 D29 B
. dy Bo
MJ
6 19 21
NOTE: * THESE 2 RESISTORS ARE DIFFERENT *
Bo d
. y M J2 1 19
.
Bo
dy
5
R39
X10
2SC5949-0 7005
3R9 2. 0W
2SA2121-0
X46
+100V RED W8
R170B 220R0
R152B 120R
R153B 270R
X44
X6 TO220
{Watts}
Q32B C34B
X7
TO126
22N 400V C39B
1R
1R
X52
R156B
1R
TO3P TO126
TO220
{Watts}
C35B X60
27K
+55V
BAV21
TP4B
. TO3P
TP6B
.
X57
R126B BAV21 D38B
100R0
470P
10K
X36
X45
R132B
39R
1. 0W 0R47 R107B
BIAS ADJ.
4V7 ZD6B X69
2R2
Q33B
RTB
Q47B BC560C
MJE350 Q24B
B C E
10U 63V
R100B 241R 2K7 R95B
R90B
39R
X29
R130B
R140B 1R 1R 1R R142B
33V0 X68 330R R31
X17
ZD3
R141B
R125B TP2B
R106B 100R0
R162B 2R2
C10A
R145B
220N 250V
X30
Q46B
ZD5B
Q29B
X25 1/2W 1R X26 39R R133B
5. 0W 1K5
R131B
X22 X9
R96B
FOR TEST JIG
2N2
22N
C38B
C27B
4148 D24B 7004 Q26B X32
47K
ZD4B
5882
R104B
C23B
C24B
R92B
D12
X39
R103B
R99B 241R R105B 39R C22B 2N2 R94B 150R X23 R98B 10K0
R89B 150R 6K98 R93B
Q19B BC560C
MR 8 693 54 4 D30 B
. dy Bo
MJ 21 1
2 MJ
5. 0W R147 B 0R1
96
96 11
Bo d
. y M J2 1 19
5
Q43B
MR 8 693 54 4 D31 B
5. 0W R148 B 0R1
M . y M J2 1 19
ETCH GUIDE
5
D35A 6934 MR854
BEC LOC
Q42A
MR854 6934 D36A
X40
Q43A
M . D D D AP6020 / AM4CE VER# DESCRIPTION OF CHANGE 5. 10 R104B, R133A/B, R104B, R78B, R105B 39R FUSIBLE . R100B, R99B 249R -> 241R FUSIBLE 6. 00 PC#6869 CONVERT-TO PCAD2002 6. 10 HA, PC#7076, REPLACE Q25B #6990 WITH #7005 AND . PC#7228, ADD AN EXTRA HOLE FOR ALUMINIUM SPACER 8. 00 Changed to X8002. V N V N V N MODEL(S):# 1 2 3 4 5 6 7 8 9 10 11 12 13 DATE D D D D D D D D D D D D D Mnnnn Drilling History {MODEL} VER# DESCRIPTION OF CHANGE V N V N V N V N V N V N V N V N V N V N V N V N V N
PIN CONFIGURATION
IRF830 MTP12P10 MTP10N15L IRL2910 IRF5210 BD139 MTP2P50E BD237 MTP8P20 BD238 IRF720 MJE340 MTP23P06 MJE350 IRF822 MJE271 IRF4905 MJE270 BD140
MJL21194 MJL1302A MJL3281A MJL21193 2SA2121-0 2SC5949-0
MJE11025 MJE11025 MJE11025 2N5401 2N5551 MPSA06 MPSA13 MPSA43 MPSA56 MPSA63 2N5401 2N5551 MPSA06 MPSA13 MPSA43 MPSA56 MPSA63 MJE11025
BC550C BC560C E
BOTTOM VIEW
B
B
C
E
GDS
E CB
EBC TO-92
EBC TO-92
CBE TO-92
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
AA
AB
AC
AD
AE
AF
AG
AH
1
1
Out
Out
S2:A 3436 {Function}
Com
Com
S2:B 3436 {Function}
9
8
In
In
11
12in 16C 3673
10
7 6 5 4 3 2 1
R21 1/4W 33K
2
C22 100N C19 100N
12
63V
13 14 15
.
2
8
63V 4148
2 -
16
{AWG} {Color}W3 R22 1/4W 10K R25 1/4W 2K
MINI
D1
V+
MC33078P U2:C
1
W16
C9 33U X89 16V
R13 1/4W 56K
R14 1/4W 56K
{Function}
.
R23 1/4W 10K
3
V-
C1 220P 3922
3
100V
+
U2:A
1 2 3 4
LD1 {Function}
LD2 {Function}
5906 RED
R1 1/4W 1K54
.
R2 1/4W 9K76
0. 1%
R5 1/4W 9K76
0. 1%
C5 68N
100V
C7 68N
100V R17 1/4W 4M7
.
These parts are not stuffed in AP6020 (M1177)
4148 D16 X110 X112
In
4 4 4 4
100V
J3:A {Function}
5908 GRN
W14:A W14:B W14:C W14:D
R26 1/4W 2K
.
.
MINI
.
{AWG} {Color}W4
2
4
FAN
1
{Function} {C_Type} FAN
3
S3:B 3436 {Function}
5
+
C3 220P
7 6 -
C6 150N
63V
C8 150N
63V
Com
MC33078P
Out
These parts are not stuffed in AM-4 (M1371)
1 X111 X113 14 W12:A W17:A 14 1
D17
U2:B
4148
BC550C R24 1/4W 47K
.
X103 X104 W13:L 12 W13:K 12 12 11
Q9 5101 TO92
FAN2
4
C4 220P
C2 220P
R19 1/4W 120K 100V
.
100V
X108
2 3
14 W12:B 14 W12:C 14 W12:D 14 W12:E 14 W12:F 14 W12:G 14 W12:H 14 W12:I 14 W12:J 14 W12:K 14 W12:L 14 W12:M 14 W12:N
W17:B 14 W17:C 14
2 3 X36
4
1
3
5
{Function} J1
R3 1/4W 1K54
.
R4 1/4W 9K76
0. 1%
R6 1/4W 9K76
0. 1%
A
W13:J 12 10
X1001 X99 S1:D 3705 {Function} L COM M R U3:A R101 1/8W 10R
.
S 2
R 4
T 6
R100 1/8W 10R
.
4 5 6
W17:D 14 W17:E 14 W17:F 14 W17:G 14 W17:H 14 W17:I 14 W17:J 14 W17:K 14 W17:L 14
4 5 6 7 8
X62 X106
W13:I 12 W13:H 12 W13:G 12 W13:F 12
9 8
5
5
+ 3
R102 1/4W 10K0
MINI
7 6 5 4 3 2 1 {Function} MJF6388 Q7 6815 T221D
7 8 9 10
1
S1:B 3705 {Function} L COM M R L
6
MC33078P 10K0 1/4W R103 100V
MINI
-
2
R104 1/4W 10K0
MINI
W13:E 12 9 W13:D 12 10 11 12 X107 X81 W13:C 12 W13:B 12 W13:A 12
R57 1/2W 8K2
.
R59 1/4W 1K
.
S1:C 3705 {Function} COM M R
C42 100U
220P C83
D21 0W5 18V0 1N5248B
These parts are not stuffed in AP6020 (M1177)
D23 18V0
R61 1/4W 10R 25V
FLMP
6
11 12
L
COM
M
R
14
W17:N 14
14
7
R58 1/2W 8K2
.
R60 1/4W 1K
.
{Function} MJF6668 Q8 6814 T221D
R62 1/4W 10R
FLMP
C43 100U
W17:M 14
0W5 1N5248B
S1:A 3705 {Function}
13
13
These parts are not stuffed in AM-4 (M1371)
25V
7
2
4
J2 {Function} S
R
T
6
120K 1/4W R20 C10 220P 150N C15 63V 150N C17 63V R18 1/4W 4M7
.
8 MC33078P X109
7 6
V+
BW2:L
5
12
12 11 10 9 8 7 4007 D11 D18 4148 D12 6 5 4
9
.
U3:C VU3:B
+
W2:K 12 W2:J 12 W2:I 12 W2:H 12 W2:G 12
5
8
1 3
R7 1/4W 1K54
.
R8 1/4W 9K76
0. 1%
R11 1/4W 9K76
0. 1%
Com
S3:A 3436 {Function}
100V
4
Out
8
.
In
100V
68N C14 U1:B
100V
68N C16 R15 1/4W 56K
100V 4
3922
C12 220P
V-
3
7 6 -
.
+
U1:A U1:C
1
W2:F 12 W2:E 12 W2:D 12 33U C18 16V W2:C 12 W2:B 12
J4:A 100V
9
V+
MC33078P R16 1/4W 56K 4148 D2
2 .
MC33078P
{Function}
8
C11 220P
3 2 1
100V
R9 1/4W 1K54
.
C13 220P
R10 1/4W 9K76
0. 1%
R12 1/4W 9K76
0. 1%
3682 {Color}
{Function} WC30
W2:A 12
R90 1/2W 27K
R63 1/4W 13K
10
MPSA06 D19 63V 4148
Out
4007
5
+
10
.
C20 100N C23 100N
63V BRIDGE BR1 Flat 6419 100V
R28 1/4W 47K
.
Q23 5103 TO92 D24 30V0 4148 D7
3682 {Color} 100V 100V 100V
{Function} WC29
R34 1/4W 1K
.
S4:A 3436 {Function}
Out
63V
Com
C54 3300U
C52 3300U
C53 3300U
R91 1/2W 27K
63V
W15
WC4
WC7 63V 63V 63V 63V 63V WC14 BRIDGE BR2 Flat 6419 63V
C21 100N
3682 BRN/BLK
3682 BRN
3682 BLK
3682 {Color}
{Function} WC27
{AWG} {Color}W26 {Function}
D8 4148
GRY 5 BLK 6 275V T1
12
3682 GRY 3682 RED 3682 YEL 3682 RED
R92 1/2W 15K
R93 1/2W 15K
C59 6800U
C58 6800U
C60 6800U
C61 6800U
C62 6800U
C63 6800U
RED 4
WC2
3682 {Color}
{Function} WC26 3682 GRN In2PSgnd 3682 WC8_ GRN In2PSgnd WC8
C46 470U
.
.
25V
12
C50 22N
63V
63V
63V
63V
63V
63V
YEL 3 3682 ORN-BLK
WC3 W6:A 4 R94 1/2W 15K R95 1/2W 15K 3682 {Color} {Function} WC25 W6:B 4 W6:C 4 W6:D 4 100V 100V 100V 100V 100V 3682 {Color} R97 1/2W 27K R96 1/2W 47K {Function} WC24
. .
1 1 2 2 3 4 FAN
2 1
2 W5:A 2 W5:B
C64 6800U
C65 6800U
C66 6800U
C67 6800U
C68 6800U
WC13 BLK 7
RED 2 WC18 6419 Flat BR3 BRIDGE 3682 GRY
GRY 1
250V
C69 6800U
WC6
R70 1. 0W 1R
FLMP
CH1192
C45 22N
11
0W5 1N750ARL
C55 3300U
C56 3300U
C57 3300U
3682 {Color}
{Function} WC28
.
275V
In
R64 1/4W 13K
.
In
0W5 1N5256B
C25 22N
100V
D20 4V7
Com
S4:B 3436 {Function}
{Function} MJF6388 Q11 6815 T221D
C24 100N
100V
100V
11
100V
1 2 3
13
GENERIC_XF_2S_1P 3682 BLU
{C_Type} FAN
4 4 4 4
WC10
3682 {Color}
{Function} WC23
4
FAN1
W19:A W19:B W19:C W19:D
13
.
C51 4N7
C71 3300U
C72 3300U
C73 3300U
C74 3300U
C70 3300U
C75 3300U
.
3682 GRN/YEL
14
WC17 {AWG} {Color}W27 {Function} {AWG} . {Color}W1 130K 1/4W {Function} R80B 130K 1/4W R80A 82K 1/4W R74A 82K 1/4W R74B D14
2
MINI MINI .
3682 {Color}
{Function} WC22
14
R73 5. 0W 390R
.
4007 3682 BRN
15
TO WC5 WC19
R105 5. 0W 390R
.
D13
These parts are not stuffed in AM-4 (M1371)
5191 MCR100-6 Q12
{AWG} {Color}W23 {Function} J5:A Function SPEAKON 4C H 6956 1+ 2_ 1_ 3682 {Color} {Function} WC34 2+ 6956 SPEAKON 4C H Function J5:B {AWG} W24{Color} {Function} {Function} Banana Jacks B BANANA_V_B+R {AWG} {Color}W7 {Function} 3682 {Color} {Function} WC38 {Function} WC37 R79 1/4W 47K 3682 {Color} L1 3820 4UH
.
{AWG} {Color}W22 {Function} {AWG} {Color}W25 {Function} {Function} Banana Jacks R J8 {AWG} {Color}W8 {Function} {Function} {Function} 6517 G TO220 3820 MT2 Q20 4UH L3 3682 {Color} {Function} WC35 B BANANA_V_B+R {AWG} {Color}W10 {AWG} {Color}W9 {Function} 3682 {Color} J6:A Function SPEAKON 4C H 6956 {Function} WC33 1+ 2_ 1_ 2+ J7 6956 SPEAKON 4C H Function J6:B
15
DPDT Switch
1
Thermal Breaker
2 1 3 4
R75 1/4W 1K
3682 BRN
S5
16
S6
FROM SWITCH WC1 3682 BRN
4007 TO WC21 WC20 3682 BRN TO WC19 WC5 R76 1/4W 4K7
. .
M1177 / M1371 Database History MODEL(S):# 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 DATE SEP/26/99 NOV/17/99 . FEB/28/00 JUN/02/00 SEP/18/00 OCT/18/99 JUL/16/02 SEP/18/03 NOV/10/04 JAN/08/2005 JUN/17/2005 JAN/26/2006 APR-24-2006 16-MAY-2007 25-FEB-2008 . D D D D D D AP6020 / AM4CE VER# DESCRIPTION OF CHANGE P1. 00 NEW AP6020 PROTOTYPE 1. 00 FINAL LAB MODEL 1. 10 PC#____ Q23 BC550 TO MPSA06 2. 00 PC#6207 FUSE REPLACED BY 390R 5W . PC#6242 SHEAR MOVED . 050" IN X 2. 10 PC#6209 EYELET REMOVED FROM SPEAKON 2. 20 PC#6553 REPLACE SHEARS WITH ROUTING 3. 00 PC#6395 MOVED R105 3. 10 PC#6626 C80-C82 10u -> 33u . PADS FOR EYELETS @ Q9 ROUND TO SQUARE 5. 00 PC#6788 REDO AC FOR CE COMPLIANCE 6. 00 PC#6844 REDO SOLDERMASK 7. 00 PC#6869:CONVERT TO PCAD2002 AND FIX CE AGAIN . [. . . ] Required Modification: -------------------------------- Remove the lid from the unit and both power amp boards. - Locate the small 0. 1A fuse on lower power supply board (#M1151 - AP6040 or M1177 AP6020). - In order to be sure that no damage was done to the upper power amp boards when they were removed it is strongly advised that the technician carefully retouch the solder on the three legs of each of the following transistors: #Q32A, Q32B, Q33A and Q33B on each of the two power amp boards (AP6040 - M1176/M1176A, AP6020 - M1150/M1150A) - Replace the upper boards and lid. For further technical information or assistance please contact Peter Mourtos at Yorkville Sound via phone at (905)837-8550 Ext. 218 or via email at pmourtos@yorkville. com . [. . . ]
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